Event between (524834) 03YL179 and star GA1120:02360497 with event index number of 2217853
Geocentric closest approach at 2024/01/11 11:59:19 UTC
J2000 position of star is 06:40:48.0 +22:19:23
Equinox of date position of star is 06:42:14.2 +22:17:57
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=23.3
[RECON map]
Object is 38.7 AU from the Sun
and 37.8 AU from the Earth.
Apparent velocity is 25.0
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 608 seconds.
The 1-sigma cross-track error in the shadow position is
4141 km.
The sky-plane scale is
27399.6 km/arcsec.
The object has an absolute magnitude Hv=7.4
Diameter=208.9 km assuming a 5% albedo -- 8.1 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 524834, (2024/01/11 11:59UT) Object RA Dec mag sep mel Pollux 07:46:47.1 +27:57:58 1.1 15.65 177 Alhena 06:39:06.0 +16:22:36 1.9 5.97 163 PPM 096308 06:40:32.0 +22:00:27 6.0 0.49 167 PPM 096320 06:40:57.2 +21:58:45 8.7 0.44 167 PPM 096346 06:41:41.9 +22:23:56 10.2 0.16 167 524834 06:42:14.8 +22:17:57 16.2 168 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
1.5 sigma about the mid-time.
The median site spacing is 17.9 km
RECON observability=0.9 and success probability=10.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:56:55 | -28.4 | Dark | Down | 21.3 | 279.4 | Low | 11:41:55 - 12:11:55 | -2755 |
| Kamloops | 11:56:59 | -37.5 | Dark | Down | 30.1 | 269.1 | Up | 11:41:59 - 12:11:59 | -3233 |
| Kelowna | 11:56:55 | -37.1 | Dark | Down | 29.6 | 270.2 | Low | 11:41:55 - 12:11:55 | -3268 |
| Peachland | 11:56:55 | -37.3 | Dark | Down | 29.8 | 270.1 | Low | 11:41:55 - 12:11:55 | -3284 |
| Summerland | 11:56:55 | -37.3 | Dark | Down | 29.7 | 270.2 | Low | 11:41:55 - 12:11:55 | -3292 |
| Penticton | 11:56:54 | -37.2 | Dark | Down | 29.6 | 270.4 | Low | 11:41:54 - 12:11:54 | -3294 |
| Oliver | 11:56:53 | -37.3 | Dark | Down | 29.6 | 270.6 | Low | 11:41:53 - 12:11:53 | -3320 |
| Anarchist Mountain Observatory | 11:56:52 | -37.2 | Dark | Down | 29.5 | 270.8 | Low | 11:41:52 - 12:11:52 | -3327 |
| Okanogan | 11:56:50 | -37.4 | Dark | Down | 29.7 | 271.0 | Low | 11:41:50 - 12:11:50 | -3381 |
| Brewster | 11:56:50 | -37.6 | Dark | Down | 29.8 | 271.0 | Low | 11:41:50 - 12:11:50 | -3407 |
| Manson/Chelan | 11:56:49 | -37.9 | Dark | Down | 30.0 | 270.8 | Up | 11:41:49 - 12:11:49 | -3433 |
| Wenatchee | 11:56:48 | -38.1 | Dark | Down | 30.1 | 271.0 | Up | 11:41:48 - 12:11:48 | -3473 |
| Victoria | 11:56:55 | -39.9 | Dark | Down | 32.2 | 268.0 | Up | 11:41:55 - 12:11:55 | -3475 |
| Ellensburg | 11:56:47 | -38.3 | Dark | Down | 30.3 | 271.1 | Up | 11:41:47 - 12:11:47 | -3511 |
| PNWRO | 11:56:42 | -37.3 | Dark | Down | 29.1 | 272.8 | Low | 11:41:42 - 12:11:42 | -3539 |
| Yakima | 11:56:45 | -38.4 | Dark | Down | 30.3 | 271.3 | Up | 11:41:45 - 12:11:45 | -3543 |
| Dunrhomin | 11:56:15 | -27.4 | Dark | Down | 18.5 | 284.0 | Really Low | 11:41:15 - 12:11:15 | -3553 |
| Toppenish/White Swan | 11:56:45 | -38.3 | Dark | Down | 30.2 | 271.5 | Up | 11:41:45 - 12:11:45 | -3555 |
| Nikitin | 11:56:15 | -27.4 | Dark | Down | 18.4 | 284.0 | Really Low | 11:41:15 - 12:11:15 | -3568 |
| CU-SBO | 11:56:14 | -27.4 | Dark | Down | 18.5 | 284.0 | Really Low | 11:41:14 - 12:11:14 | -3575 |
| The Dalles | 11:56:43 | -38.9 | Dark | Down | 30.7 | 271.4 | Up | 11:41:43 - 12:11:43 | -3638 |
| Maupin | 11:56:41 | -38.9 | Dark | Down | 30.6 | 271.7 | Up | 11:41:41 - 12:11:41 | -3668 |
| Sisters | 11:56:40 | -39.4 | Dark | Down | 31.0 | 271.9 | Up | 11:41:40 - 12:11:40 | -3752 |
| Bend | 11:56:39 | -39.2 | Dark | Down | 30.8 | 272.2 | Up | 11:41:39 - 12:11:39 | -3764 |
| Oregon Observatory | 11:56:38 | -39.3 | Dark | Down | 30.9 | 272.2 | Up | 11:41:38 - 12:11:38 | -3781 |
| Chiloquin | 11:56:35 | -39.8 | Dark | Down | 31.1 | 272.8 | Up | 11:41:35 - 12:11:35 | -3901 |
| Klamath Falls | 11:56:33 | -39.8 | Dark | Down | 31.0 | 273.0 | Up | 11:41:33 - 12:11:33 | -3927 |
| Cedarville | 11:56:30 | -38.7 | Dark | Down | 29.8 | 274.4 | Low | 11:41:30 - 12:11:30 | -3934 |
| Fall River/Burney | 11:56:30 | -39.6 | Dark | Down | 30.7 | 273.9 | Up | 11:41:30 - 12:11:30 | -4013 |
| Gimple | 11:56:27 | -39.3 | Dark | Down | 30.2 | 274.8 | Up | 11:41:27 - 12:11:27 | -4073 |
| Greenville | 11:56:26 | -39.4 | Dark | Down | 30.3 | 274.7 | Up | 11:41:26 - 12:11:26 | -4075 |
| Portola | 11:56:25 | -39.0 | Dark | Down | 29.9 | 275.2 | Low | 11:41:25 - 12:11:25 | -4087 |
| Reno | 11:56:23 | -38.5 | Dark | Down | 29.4 | 275.8 | Low | 11:41:23 - 12:11:23 | -4089 |
| Quincy | 11:56:26 | -39.4 | Dark | Down | 30.3 | 274.9 | Up | 11:41:26 - 12:11:26 | -4092 |
| Yerington | 11:56:21 | -38.0 | Dark | Down | 28.8 | 276.4 | Low | 11:41:21 - 12:11:21 | -4114 |
| Carson City | 11:56:22 | -38.5 | Dark | Down | 29.3 | 276.0 | Low | 11:41:22 - 12:11:22 | -4118 |
| Hawthorne | 11:56:19 | -37.7 | Dark | Down | 28.4 | 277.0 | Low | 11:41:19 - 12:11:19 | -4136 |
| Gardnerville | 11:56:22 | -38.5 | Dark | Down | 29.3 | 276.1 | Low | 11:41:22 - 12:11:22 | -4138 |
| Lee Vining | 11:56:19 | -38.0 | Dark | Down | 28.7 | 277.0 | Low | 11:41:19 - 12:11:19 | -4200 |
| Beatty | 11:56:13 | -36.2 | Dark | Down | 26.7 | 278.9 | Low | 11:41:13 - 12:11:13 | -4213 |
| Bishop | 11:56:15 | -37.5 | Dark | Down | 28.1 | 277.7 | Low | 11:41:15 - 12:11:15 | -4228 |
| Patrick | 11:56:06 | -33.8 | Dark | Down | 24.2 | 281.1 | Low | 11:41:06 - 12:11:06 | -4241 |
| Laughlin/Bullhead City | 11:56:06 | -34.4 | Dark | Down | 24.7 | 280.8 | Low | 11:41:06 - 12:11:06 | -4287 |
| George/Scottsdale | 11:56:00 | -32.0 | Dark | Down | 22.2 | 282.8 | Low | 11:41:00 - 12:11:00 | -4317 |
| Lake Havasu City | 11:56:04 | -34.1 | Dark | Down | 24.4 | 281.2 | Low | 11:41:04 - 12:11:04 | -4337 |
| Idyllwild | 11:56:05 | -36.0 | Dark | Down | 26.2 | 280.4 | Low | 11:41:05 - 12:11:05 | -4487 |
| Calipatria | 11:56:01 | -35.0 | Dark | Down | 25.1 | 281.3 | Low | 11:41:01 - 12:11:01 | -4500 |
| Yuma | 11:56:00 | -34.2 | Dark | Down | 24.3 | 281.9 | Low | 11:41:00 - 12:11:00 | -4506 |
| Wildwood | 11:56:07 | -37.6 | Dark | Down | 27.8 | 279.3 | Low | 11:41:07 - 12:11:07 | -4522 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 524834, (2024/01/11 11:59UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 15.65 177 Alhena 06:37:42.8 +16:23:57 1.9 5.97 163 PPM 096308 06:39:05.3 +22:01:51 6.0 0.49 167 PPM 096320 06:39:30.6 +22:00:10 8.7 0.44 167 PPM 096346 06:40:15.0 +22:25:21 10.2 0.16 167 524834 06:40:48.0 +22:19:23 16.2 167 Positions are for J2000
Event circumstances last updated at 2023/11/06 05:18:24 UT
Marc W. Buie, Southwest Research Institute